Home / 511,692,838.74-706,136,112.72-276,743,492.46

Finding the Fourth Proportional to 511,692,838.74, 706,136,112.72 and 276,743,492.46

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Solution

The fourth proportional to 511,692,838.74, 706,136,112.72 and 276,743,492.46 is: 381,906,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,692,838.74 : 706,136,112.72 = 276,743,492.46 : x
  2. Step 2: Convert to fraction form
    511,692,838.74/706,136,112.72 = 276,743,492.46/x
  3. Step 3: Cross multiply
    511,692,838.74x = 706,136,112.72 × 276,743,492.46
  4. Step 4: Simplify right side
    511,692,838.74x = 195,418,573,986,261,024
  5. Step 5: Solve for x
    x = 195,418,573,986,261,024/511,692,838.74
  6. Step 6: Final answer
    x = 381,906,017.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.